Fishing for salmon and steelhead requires a lot of patience and, often, a lot of experimentation. Scientific Anglers nylon Anadromous leaders are designed to help you get your flies in front of the fish. Ideal for both fresh and salt water, these leaders feature a large butt diameter to turn over large flies and work well for both Spey and conventional casting. They feature the highest wet knot strength in the industry. You can fish the other stuff, or you can Fish the Truth.